12030320130020 has 24 divisors (see below), whose sum is σ = 25263737431800. Its totient is φ = 4812115640832.

The previous prime is 12030320129999. The next prime is 12030320130029. The reversal of 12030320130020 is 2003102303021.

It can be written as a sum of positive squares in 4 ways, for example, as 392547359296 + 11637772770724 = 626536^2 + 3411418^2 .

It is not an unprimeable number, because it can be changed into a prime (12030320130029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14841386 + ... + 15630974.

It is an arithmetic number, because the mean of its divisors is an integer number (1052655726325).

Almost surely, 2^{12030320130020} is an apocalyptic number.

12030320130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030320130020 is an abundant number, since it is smaller than the sum of its proper divisors (13233417301780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12030320130020 is a wasteful number, since it uses less digits than its factorization.

12030320130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551407 (or 1551405 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12030320130020 its reverse (2003102303021), we get a palindrome (14033422433041).

The spelling of 12030320130020 in words is "twelve trillion, thirty billion, three hundred twenty million, one hundred thirty thousand, twenty".